#include<stdio.h>
#include<string.h>
#include<windows.h>
int main()
{
	char arr1[]={"welcome to bit!!!!"};
	char arr2[]={"##################"};
	int left = 0;
	int right =strlen(arr2)-1;
	while (left<=right)
	{
		arr2[left]=arr1[left];
		arr2[right]=arr1[right];
		system("cls");
		printf("%s\n",arr2);
		Sleep(100);
		left++;
		right--;
	}
	return 0;
}
